chore: Bump @angular to v7.2.0 + typescript 3.2.2 (#1701)

Closes #1696

Author: trimox

demos/package.json

@@ -10,27 +10,27 @@
   },
   "private": true,
   "dependencies": {
-    "@angular/common": "~7.1.4",
-    "@angular/compiler": "~7.1.4",
-    "@angular/core": "~7.1.4",
-    "@angular/forms": "~7.1.4",
-    "@angular/platform-browser": "~7.1.4",
-    "@angular/platform-browser-dynamic": "~7.1.4",
-    "@angular/router": "~7.1.4",
+    "@angular/common": "~7.2.0",
+    "@angular/compiler": "~7.2.0",
+    "@angular/core": "~7.2.0",
+    "@angular/forms": "~7.2.0",
+    "@angular/platform-browser": "~7.2.0",
+    "@angular/platform-browser-dynamic": "~7.2.0",
+    "@angular/router": "~7.2.0",
     "core-js": "^2.6.1",
     "rxjs": "~6.3.3",
     "tslib": "^1.9.3",
     "zone.js": "~0.8.26"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "~0.11.2",
-    "@angular/cli": "~7.1.2",
-    "@angular/compiler-cli": "~7.1.2",
+    "@angular-devkit/build-angular": "~0.12.1",
+    "@angular/cli": "~7.2.1",
+    "@angular/compiler-cli": "~7.2.0",
     "@types/node": "^10.12.17",
     "highlight.js": "^9.13.1",
     "ngx-highlightjs": "^3.0.0",
     "ts-node": "~7.0.1",
     "tslint": "~5.12.0",
-    "typescript": "~3.1.6"
+    "typescript": "~3.2.2"
   }
-}
+}

demos/src/styles/_cards.scss

@@ -36,7 +36,9 @@
 }
 
 .demo-card-article__title {
-  margin: 0 0 4px 0;
+  margin: 0 0 4px 0 !important;
+  border-bottom: unset !important;
+  padding-bottom: unset !important;
 }
 
 .demo-card-article__snippet {